Data Corruption Risk in Linux Kernel: CVE-2024-45026
Summary
CVE-2024-45026: In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fix error recovery leading to data corruption on ESE devices Extent Space Efficient (ESE) or thin provisioned volumes need to be formatted on... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The Linux kernel is the core component of many operating systems, responsible for managing hardware and system resources. It provides essential services for all other parts of the operating system. This vulnerability specifically affects the s390/dasd subsystem, which handles direct access storage devices. The vulnerability arises in the handling of Extent Space Efficient (ESE) volumes, which are designed for efficient storage management.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the dasd_ese_needs_format function, which is responsible for checking the format of ESE volumes during I/O operations. The issue stems from an imprecise check for incorrect length, which can lead to data corruption in specific error scenarios, such as during a storage server warmstart. This vulnerability can compromise data integrity, potentially resulting in significant data loss or corruption.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
Currently, no specific workarounds are provided for this vulnerability. The best course of action is to apply the kernel update as soon as it is available.
Conclusion
CVE-2024-45026 presents a significant risk of data corruption in the Linux kernel, particularly affecting ESE volumes. Users are advised to update their systems promptly to mitigate this vulnerability and ensure data integrity.
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FAQ
CVE-2024-45026 is a vulnerability in the Linux kernel that can lead to data corruption in ESE volumes during I/O operations.
This vulnerability can compromise data integrity, potentially resulting in data loss or corruption, especially during error scenarios.
The vulnerability affects Linux kernels in Debian 11, 12, and 13, with specific fixes available for Debian 13.
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The CVSS score for CVE-2024-45026 is 7.8, indicating a high severity level.
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